George has i2c working. On Mon, Sep 22, 2014 at 9:16 AM, Joseph Nguya <[email protected]> wrote:
> Hi Jon, > > The A20 does not support SCCB protocol. Did you manage to get a working > sccb driver for the ov2643 working over i2c for the A20? What did you do to > get it working. > > Thanks. > > > On Sunday, January 5, 2014 7:19:05 PM UTC+2, Jon Smirl wrote: >> >> The unit has a Chinese Android build on it which is slowing me down. >> >> I haven't figure out how to start adb Ethernet daemon on target device. >> >> >> On Sun, Jan 5, 2014 at 12:01 PM, [email protected] <[email protected]> >> wrote: >> >>> >>> >>> >>> On Sun, Jan 5, 2014 at 11:55 AM, Michal Suchanek <[email protected]> >>> wrote: >>> >>>> On 5 January 2014 17:48, [email protected] <[email protected]> wrote: >>>> > >>>> > >>>> > >>>> > On Sun, Jan 5, 2014 at 11:43 AM, Michal Suchanek <[email protected]> >>>> wrote: >>>> >> >>>> >> >>>> >> >>>> >> >>>> >> On 5 January 2014 16:50, [email protected] <[email protected]> >>>> wrote: >>>> >> >>>> >>> >>>> >>> >>>> >>> >>>> >>> On Sun, Jan 5, 2014 at 5:38 AM, Michal Suchanek <[email protected]> >>>> >>>> >>> wrote: >>>> >>>> >>>> >>>> AFAIK the camera board is connected digitally so the noise is >>>> something >>>> >>>> that is internal to the camera board. >>>> >>>> >>>> >>>> It is normal that under low light condition the image is noisy. >>>> Did you >>>> >>>> try taking pictures in full daylight or using some photography >>>> lighting? >>>> >>> >>>> >>> >>>> >>> I have four other USB webcams and none of them have this noise >>>> under same >>>> >>> lighting conditions. I have two other Allwinner systems with >>>> cameras and >>>> >>> they all have noise. I checked it out this morning under sunlight. >>>> It is >>>> >>> better but the noise is still there. >>>> >>> >>>> >>> Maybe the camera images need some image processing that is not >>>> getting >>>> >>> turned on under the Allwinner platform? All of the Allwinner >>>> devices appear >>>> >>> to be running Allwinner SDK with only minor changes. They probably >>>> all >>>> >>> copied each other. >>>> >>> >>>> >>> The datasheet for the image sensor is here: >>>> >>> http://files.virt2real.ru/docs/ >>>> >>> >>>> >>> It is also possible that image processing features of the sensor >>>> chip are >>>> >>> not properly enabled. >>>> >>> >>>> >> >>>> >> According to the datasheet the camera chip has various image >>>> processing >>>> >> filters including noise reduction. Does the driver support tuning >>>> these >>>> >> filters? >>>> > >>>> > >>>> > I can modify driver. But that triggers the whole problem of being >>>> able to >>>> > rebuild the software for these devices. I'm trying to figure out how >>>> to >>>> > extract the fex files. They are STBs and don't have normal Android >>>> buttons. >>>> >>>> Meaning not even a FEL button? >>>> >>>> No OTG USB port. They put a hub chip on the board and only exposed host >>> port. >>> >>> >>> >>>> Do you get access to the boot partition with adb? >>>> >>>> The other way would be to run a non-broken Linux system from SD card. >>>> Getting at least serial or ethernet should be easy if the box has >>>> those. Or an USB Ethernet. >>>> >>> >>> It has Ethernet. I'm trying to figure it out, I haven't used Android SDK >>> with Ethernet before. >>> >>> >>>> >>>> Thanks >>>> >>>> Michal >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "linux-sunxi" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> >>> >>> -- >>> Jon Smirl >>> [email protected] >>> >> >> >> >> -- >> Jon Smirl >> [email protected] >> > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Jon Smirl [email protected] -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
